Pileus Git - ~andy/gtk/blob - gdk/gdkrgb.h

   1 /* GTK - The GIMP Toolkit
   2  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GTK+ Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #ifndef __GDK_RGB_H__
  28 #define __GDK_RGB_H__
  29
  30 #include <gdk/gdktypes.h>
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif /* __cplusplus */
  35
  36 typedef struct _GdkRgbCmap GdkRgbCmap;
  37
  38 struct _GdkRgbCmap {
  39   guint32 colors[256];
  40   gint n_colors;
  41
  42   /*< private >*/
  43   GSList *info_list;
  44 };
  45
  46 void gdk_rgb_init (void);
  47
  48 gulong gdk_rgb_xpixel_from_rgb   (guint32      rgb);
  49 void   gdk_rgb_gc_set_foreground (GdkGC       *gc,
  50                                   guint32      rgb);
  51 void   gdk_rgb_gc_set_background (GdkGC       *gc,
  52                                   guint32      rgb);
  53 void   gdk_rgb_find_color        (GdkColormap *colormap,
  54                                   GdkColor    *color);
  55
  56 typedef enum
  57 {
  58   GDK_RGB_DITHER_NONE,
  59   GDK_RGB_DITHER_NORMAL,
  60   GDK_RGB_DITHER_MAX
  61 } GdkRgbDither;
  62
  63 void        gdk_draw_rgb_image              (GdkDrawable  *drawable,
  64                                              GdkGC        *gc,
  65                                              gint          x,
  66                                              gint          y,
  67                                              gint          width,
  68                                              gint          height,
  69                                              GdkRgbDither  dith,
  70                                              guchar       *rgb_buf,
  71                                              gint          rowstride);
  72 void        gdk_draw_rgb_image_dithalign    (GdkDrawable  *drawable,
  73                                              GdkGC        *gc,
  74                                              gint          x,
  75                                              gint          y,
  76                                              gint          width,
  77                                              gint          height,
  78                                              GdkRgbDither  dith,
  79                                              guchar       *rgb_buf,
  80                                              gint          rowstride,
  81                                              gint          xdith,
  82                                              gint          ydith);
  83 void        gdk_draw_rgb_32_image           (GdkDrawable  *drawable,
  84                                              GdkGC        *gc,
  85                                              gint          x,
  86                                              gint          y,
  87                                              gint          width,
  88                                              gint          height,
  89                                              GdkRgbDither  dith,
  90                                              guchar       *buf,
  91                                              gint          rowstride);
  92 void        gdk_draw_rgb_32_image_dithalign (GdkDrawable  *drawable,
  93                                              GdkGC        *gc,
  94                                              gint          x,
  95                                              gint          y,
  96                                              gint          width,
  97                                              gint          height,
  98                                              GdkRgbDither  dith,
  99                                              guchar       *buf,
 100                                              gint          rowstride,
 101                                              gint          xdith,
 102                                              gint          ydith);
 103 void        gdk_draw_gray_image             (GdkDrawable  *drawable,
 104                                              GdkGC        *gc,
 105                                              gint          x,
 106                                              gint          y,
 107                                              gint          width,
 108                                              gint          height,
 109                                              GdkRgbDither  dith,
 110                                              guchar       *buf,
 111                                              gint          rowstride);
 112 void        gdk_draw_indexed_image          (GdkDrawable  *drawable,
 113                                              GdkGC        *gc,
 114                                              gint          x,
 115                                              gint          y,
 116                                              gint          width,
 117                                              gint          height,
 118                                              GdkRgbDither  dith,
 119                                              guchar       *buf,
 120                                              gint          rowstride,
 121                                              GdkRgbCmap   *cmap);
 122 GdkRgbCmap *gdk_rgb_cmap_new                (guint32      *colors,
 123                                              gint          n_colors);
 124 void        gdk_rgb_cmap_free               (GdkRgbCmap   *cmap);
 125
 126 /* Below are some functions which are primarily useful for debugging
 127    and experimentation. */
 128 gboolean gdk_rgb_ditherable  (void);
 129 void     gdk_rgb_set_verbose (gboolean verbose);
 130
 131 /* experimental colormap stuff */
 132 void gdk_rgb_set_install    (gboolean install);
 133 void gdk_rgb_set_min_colors (gint     min_colors);
 134
 135 GdkColormap *gdk_rgb_get_colormap (void);
 136 GdkVisual *  gdk_rgb_get_visual   (void);
 137
 138 #ifdef __cplusplus
 139 }
 140 #endif /* __cplusplus */
 141
 142
 143 #endif /* __GDK_RGB_H__ */